IRIDIUM 172, 43927
Orbit data source: Space-Track
IRIDIUM 172, 43927 is a payload satellite owned by Iridium (US) in LEO that was launched on Fri, 11 Jan 2019 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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43927 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
NGIS SSG Gilbert
Mission
Operational Commercial Communications
Bus & Motor
ELITEBUS, Unknown motor
Mass
860 kg wet, 700 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Trap Box + 2 Pan, 4.7 m
Radar Cross Section
14.423 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 7 hours ago
TLE from 7 hours ago
0 IRIDIUM 172
1 43927U 19002F 25260.94359792 .00000011 00000-0 -31663-5 0 9997
2 43927 86.3924 107.4075 0001778 91.3721 268.7678 14.34217724349947Epoch: 2025-09-17T22:38Z
TLE epoch observation values (Epoch: 2025-09-17T22:38:46.86Z)
Latitude
-0.00006°
Longitude
130.59995°
Altitude
780.746 km
Speed
7.463 km/s
True Right ascension
07h 09m 37s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
22:55:17
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
775.904 km
Perigee altitude
773.36 km
Semi-major axis
7,152.769 km
Eccentricity
0.00018
Inclination
86.3924°
RAAN
107.4075°
Arg. of periapsis
91.3721°
True anomaly
268.74743°
Mean anomaly
268.7678°
Eccentric anomaly
268.75762°
Mean motion
3.58783 °/min
Orbital period
100.34 mins
BSTAR
-0.0000031663
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Other satellites on launch #2 in the year 2019 (2019-01-11 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.IRIDIUM 172 Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-09-18 13:50:05.316Z | 150.488° SSE | 2025-09-18 13:54:05.316Z | 87.82° E | 32.804° | 2025-09-18 13:58:05.316Z | 22.059° NNE |
| 6 mins | 2025-09-18 15:32:05.316Z | 241.382° WSW | 2025-09-18 15:35:05.316Z | 283.715° WNW | 20.425° | 2025-09-18 15:38:05.316Z | 324.961° NNW |
| 8 mins | 2025-09-19 02:02:05.316Z | 356.156° N | 2025-09-19 02:05:05.316Z | 327.321° NNW | 44.779° | 2025-09-19 02:10:05.316Z | 180.696° SSW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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